<!DOCTYPE html>
<html>
<head>
	<title>注册</title>
	<style>
		body {
			background-color: #f2f2f2;
			font-family: Arial, sans-serif;
		}
		h1 {
			text-align: center;
			color: #333;
		}
		form {
			width: 50%;
			margin: 0 auto;
			background-color: #fff;
			padding: 20px;
			border-radius: 5px;
			box-shadow: 0px 0px 10px #ccc;
		}
		label {
			display: block;
			margin-bottom: 10px;
			color: #666;
		}
		input[type="text"], input[type="email"], input[type="password"] {
			width: 100%;
			padding: 10px;
			border-radius: 5px;
			border: none;
			margin-bottom: 20px;
			box-shadow: 0px 0px 5px #ccc;
		}
		input[type="submit"] {
			background-color: #333;
			color: #fff;
			padding: 10px 20px;
			border: none;
			border-radius: 5px;
			cursor: pointer;
			transition: background-color 0.3s ease;
		}
		input[type="submit"]:hover {
			background-color: #666;
		}
	</style>
</head>
<body>
	<h1>注册</h1>
	<form>
		<label for="username">用户名</label>
		<input type="text" id="username" name="username" required>

		<label for="email">邮箱</label>
		<input type="email" id="email" name="email" required>

		<label for="password">密码</label>
		<input type="password" id="password" name="password" required>

		<input type="submit" value="注册">
	</form>
</body>
</html>